Impulsive Teen or Calculated Killer? Breaking Down Mackenzie Shirilla with Shavaun Scott

Impulsive Teen or Calculated Killer? Breaking Down Mackenzie Shirilla with Shavaun Scott In this episode, I sit down with mental health expert Shavaun Scott to unpack one of the most controversial questions in the Mackenzie Shirilla case: were her actions impulsive, or were they premeditated? We walk through the toxic relationship dynamics with Dominic, the earlier threats to crash the car, the prior suicide talk, the black‑box data showing full throttle and no braking, and her decision to drive down that same obscure dead‑end days before the fatal crash. Shavaun brings a clinician’s perspective to teenage brain development, emotional dysregulation, and what separates an impulsive act from a deliberate one in forensic psychology. Together, we ask: did Mackenzie “snap” in the moment, or did she execute a plan she’d already formed — possibly even a murder‑suicide? Join us as we put the facts and the psychology side‑by‑side and invite you to decide where you land. Support Tier Talk on Buy Me a Coffee 🔎 At Tier Talk, we dive headfirst into the world of true crime—breaking down high-profile cases, exposing overlooked details, and giving a voice to the victims who deserve to be heard. Our mission is to go beyond headlines, to spark meaningful conversations, and to highlight areas where we as a society can create real impact. But our roots run deep in corrections. With years of experience behind the walls, we bring a unique insider perspective on justice, safety, and what happens after the crime—bridging the gap between the courts, the prisons, and the public. If you believe in this work and want to help us keep pushing forward, you can support Tier Talk here: 👉 https://buymeacoffee.com/tiertalk Every coffee fuels research, production, and the fight to make sure these stories matter. Thank you for standing with us.